Jerry Cwiklik reopened UIMA-5157:

When agent receives SIGTERM, the child processes are still not cleaned up.

> DUCC shutdown sequence leaves agents running
> --------------------------------------------
>                 Key: UIMA-5157
>                 URL: https://issues.apache.org/jira/browse/UIMA-5157
>             Project: UIMA
>          Issue Type: Bug
>          Components: DUCC
>            Reporter: Eddie Epstein
>            Assignee: Jerry Cwiklik
>             Fix For: 2.2.0-Ducc
> A full DUCC shutdown (./stop_ducc -a) can leave DUCC agents as well as user 
> processes still running after shutdown completes.
> The problems are caused because 1) a DUCC agent will hang trying to send 
> inventory update report if the DUCC broker has been terminated, and 2) agents 
> kill user processes sequentially which increases the likelihood that the 
> broker will be terminated before the agent is finished cleaning up.

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